Package org.keyczar.interfaces

Examples of org.keyczar.interfaces.VerifyingStream.verify()

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      if (stream == null) {
        stream = (VerifyingStream) key.getStream();
      }
      stream.initVerify();
      stream.updateVerify(dataCopy);
      boolean result = stream.verify(signatureCopy);
      VERIFY_CACHE.put(key, stream);
      if (result) {
        return true;
      }
    }
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      verifyStream.updateVerify(ciphertextChunk);
      inputCopy.position(inputCopy.position() + DECRYPT_CHUNK_SIZE);
    }
    inputCopy.mark();
    verifyStream.updateVerify(inputCopy);
    if (!verifyStream.verify(signature)) {
      throw new InvalidSignatureException();
    }
    inputCopy.reset();
    cryptStream.doFinalDecrypt(inputCopy, output);
    output.limit(output.position());
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    }
    boolean foundValidSignature;
    try {
      stream.initVerify();
      stream.updateVerify(data.duplicate());
      foundValidSignature = stream.verify(signature.duplicate());
      VERIFY_CACHE.put(key, stream);
    } catch (KeyczarException e) {
      // Crypto library can throw errors for invalid keys
      // this allows the verifier to continue trying other keys
      foundValidSignature = false;
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    }
    stream.updateVerify(data);
    // The signed data is terminated with the current Keyczar format
    stream.updateVerify(ByteBuffer.wrap(FORMAT_BYTES));

    boolean result = stream.verify(signature);
    VERIFY_CACHE.put(key, stream);
    return result;
  }

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